97-04 4 Pin Alternator, 05-13 Alternator 2 Pin. These fit GM 4.3, 4.8, 5.3, 6.0, 6.2L Truck / SUV Dual Spool GM mounts.
145-150a at 550-650 engine Rpm. 280+ at 1800+ RPM.
Not Compatible with Lithium Batteries!!!
Includes ground stud as well, these units typically ship within 2-3 business days.